Bai, Changcai,Ren, Fengying,Cui, Chengqian,Han, Lu,Wang, Yi,Li, Bingge,Wang, Ruizhou,Zhao, Shipeng,Tao, Li
申请号：
AU2020100748
公开号：
AU2020100748A4
申请日:
2020.05.13
申请国别(地区):
AU
年份:
2020
代理人:
摘要：
#$%^&*AU2020100748A420200618.pdf#####Abstract The present invention discloses a preparation method and application of total alkaloids from Cynanchum Komarovii. In the present invention, a method for extracting alkaloids stepwise is used. The used solvents are dichloromethane, petroleum ether and ethanol, and have low boiling points. The resultant product has a small amount of solvent residues, and is simple in process and advantageous for large-scale production. Moreover, the prepared alkaloids from Cynanchum Komarovii have good analgesic effects.
